| 摘要 |
Suspension device for any self-propelled or drawn vehicle comprising 1 two or more helical springs inserted inside one another acting in a deferred and complementary manner, that is to say the spring compressed secondly acting before the full compression of the first and so on, a suspension slide 2 actuated by a draw rod or push rod 3 connected to the suspension arm 4, the assembly being enclosed in a housing 5. <IMAGE>
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